EP 0797786 A4 19981209 - INCORPORATING PHOTOCHROMIC MOLECULES IN LIGHT TRANSMISSIBLE ARTICLES

Title (en)

INCORPORATING PHOTOCHROMIC MOLECULES IN LIGHT TRANSMISSIBLE ARTICLES

Title (de)

EINBAU PHOTOCHROMER MOLEKÜLE IN TRANSPARENTE GEGENSTÄNDE

Title (fr)

INCORPORATION DE MOLECULES PHOTOCHROMES DANS DES OBJETS TRANSPARENTS

Publication

EP 0797786 A4 19981209 (EN)

Application

EP 95941982 A 19951218

Priority

AU 9500862 W 19951218
AU PN007294 A 19941216

Abstract (en)

[origin: WO9618928A1] A light-transmissible article formed from a polymeric material, which article includes at least one photochromic dye; and a compatible light absorbing material distributed on or within the article; the combination of photochromic dye and compatible light absorbing material is such that the depth of darkening upon activation of photochromic dye is rendered substantially uniform regardless of variations in length, thickness or local changes of surface shape.

IPC 1-7

G02C 7/10; G02B 5/23

IPC 8 full level

C08L 33/04 (2006.01); G02B 1/04 (2006.01); G02B 5/22 (2006.01); G02B 5/23 (2006.01); G02C 7/10 (2006.01)

CPC (source: EP US)

G02B 5/23 (2013.01 - EP US); G02C 7/102 (2013.01 - EP US); G02C 2202/16 (2013.01 - EP US)

Citation (search report)

[E] WO 9601883 A1 19960125 - RODENSTOCK OPTIK G [DE], et al
[X] US 3212898 A 19651019 - CERRETA JOHN J
[A] US 5330686 A 19940719 - SMITH ROBERT A [US], et al
[A] US 5135298 A 19920804 - FELTMAN FRANCIS L [US]
[DA] US 4289497 A 19810915 - HOVEY RICHARD J
[A] DE 4024330 A1 19920206 - HUELS TROISDORF [DE], et al
See references of WO 9618928A1

Designated contracting state (EPC)

DE ES FR GB IE IT NL

DOCDB simple family (publication)

WO 9618928 A1 19960620; AU 4322396 A 19960703; AU 688653 B2 19980312; AU PN007294 A0 19950119; BR 9510091 A 19980714; CA 2207034 A1 19960620; CA 2207034 C 20060919; DE 69534779 D1 20060420; DE 69534779 T2 20060720; EP 0797786 A1 19971001; EP 0797786 A4 19981209; EP 0797786 B1 20060208; JP 4054863 B2 20080305; JP H10510927 A 19981020; KR 100402982 B1 20040219; MX 9704410 A 19980731; US 5959761 A 19990928

DOCDB simple family (application)

AU 9500862 W 19951218; AU 4322396 A 19951218; AU PN007294 A 19941216; BR 9510091 A 19951218; CA 2207034 A 19951218; DE 69534779 T 19951218; EP 95941982 A 19951218; JP 51796196 A 19951218; KR 19970704046 A 19970616; MX 9704410 A 19970613; US 84933397 A 19970908